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annotate m68k_internal.h @ 580:5157bc966c1a

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Refactor translate_m68k_cmp to use translate_m68k_arith
author Michael Pavone <pavone@retrodev.com>
date Wed, 05 Mar 2014 09:33:50 -0800
parents a6f2db4df70d
children 9f40aa5243c2
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1 /*
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2 Copyright 2014 Michael Pavone
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3 This file is part of BlastEm.
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4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
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5 */
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6 #ifndef M68K_INTERNAL_H_
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7 #define M68K_INTERNAL_H_
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8
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9 #include "68kinst.h"
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10
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11 //functions implemented in host CPU specfic file
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12 void translate_out_of_bounds(code_info *code);
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13 void check_code_prologue(code_info *code);
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14 void areg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
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15 void dreg_to_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
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16 void areg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg);
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17 void dreg_to_native_sx(m68k_options *opts, uint8_t reg, uint8_t native_reg);
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18 void native_to_areg(m68k_options *opts, uint8_t native_reg, uint8_t reg);
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19 void native_to_dreg(m68k_options *opts, uint8_t native_reg, uint8_t reg);
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20 void ldi_areg(m68k_options *opts, int32_t value, uint8_t reg);
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21 void ldi_native(m68k_options *opts, int32_t value, uint8_t reg);
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22 void addi_areg(m68k_options *opts, int32_t val, uint8_t reg);
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23 void subi_areg(m68k_options *opts, int32_t val, uint8_t reg);
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24 void add_areg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
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25 void add_dreg_native(m68k_options *opts, uint8_t reg, uint8_t native_reg);
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26 void calc_areg_displace(m68k_options *opts, m68k_op_info *op, uint8_t native_reg);
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27 void calc_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg);
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28 void calc_areg_index_disp8(m68k_options *opts, m68k_op_info *op, uint8_t native_reg);
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29
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30 //functions implemented in m68k_core.c
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31 int8_t native_reg(m68k_op_info * op, m68k_options * opts);
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32 size_t dreg_offset(uint8_t reg);
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33 size_t areg_offset(uint8_t reg);
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34 size_t reg_offset(m68k_op_info *op);
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35 void print_regs_exit(m68k_context * context);
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36 void m68k_read_size(m68k_options *opts, uint8_t size);
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37 void m68k_write_size(m68k_options *opts, uint8_t size);
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38 void push_const(m68k_options *opts, int32_t value);
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39 void jump_m68k_abs(m68k_options * opts, uint32_t address);
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40 void swap_ssp_usp(m68k_options * opts);
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41 code_ptr get_native_address(native_map_slot * native_code_map, uint32_t address);
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42 void map_native_address(m68k_context * context, uint32_t address, code_ptr native_addr, uint8_t size, uint8_t native_size);
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43 uint8_t get_native_inst_size(m68k_options * opts, uint32_t address);
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44 uint8_t m68k_is_terminal(m68kinst * inst);
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45 void m68k_handle_deferred(m68k_context * context);
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46 code_ptr get_native_address_trans(m68k_context * context, uint32_t address);
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47
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48 //individual instructions
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49 void translate_m68k_lea(m68k_options * opts, m68kinst * inst);
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50 void translate_m68k_pea(m68k_options * opts, m68kinst * inst);
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51 void translate_m68k_bsr(m68k_options * opts, m68kinst * inst);
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52 void translate_m68k_jmp_jsr(m68k_options * opts, m68kinst * inst);
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53 void translate_m68k_unlk(m68k_options * opts, m68kinst * inst);
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54 void translate_m68k_link(m68k_options * opts, m68kinst * inst);
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55 void translate_m68k_rts(m68k_options * opts, m68kinst * inst);
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56 void translate_m68k_rtr(m68k_options *opts, m68kinst * inst);
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57 void translate_m68k_trap(m68k_options *opts, m68kinst *inst);
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58
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59 //flag update bits
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60 #define X0 0x0001
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61 #define X1 0x0002
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62 #define X 0x0004
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63 #define N0 0x0008
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64 #define N1 0x0010
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65 #define N 0x0020
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66 #define Z0 0x0040
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67 #define Z1 0x0080
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68 #define Z 0x0100
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69 #define V0 0x0200
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70 #define V1 0x0400
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71 #define V 0x0800
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72 #define C0 0x1000
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73 #define C1 0x2000
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74 #define C 0x4000
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75
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76 #define BUS 4
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77 #define PREDEC_PENALTY 2
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78 extern char disasm_buf[1024];
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79
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80 m68k_context * sync_components(m68k_context * context, uint32_t address);
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81
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82 void m68k_invalid();
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83 void bcd_add();
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84 void bcd_sub();
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85
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86 #endif //M68K_INTERNAL_H_